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    • 3. 发明授权
    • Pipe end cutting apparatus
    • 管端切割装置
    • US4550635A
    • 1985-11-05
    • US509444
    • 1983-06-14
    • Kiyoshi KanayamaShoji Asano
    • Kiyoshi KanayamaShoji Asano
    • B23B5/16
    • B23B5/162Y10T82/22Y10T82/2522
    • A pipe end cutting apparatus for processing pipes without variations in the angle of bevel and the root face thickness due to changes in the diameter of the pipes. There are provided a pipe clamping device for clamping the inside of a pipe, a rotary driving unit supported on the pipe clamping device, a feed unit for moving the rotary driving unit in the axial direction, and a control unit for controlling the rotary driving unit to rotate concentrically with the pipe. Processing tools for cutting the pipe end are mounted on the rotary driving unit through parallelogram links in such a manner that the processing tools are each caused to make a parallel movement in the radial direction of the pipe, while maintaining its cutting angle at a given angle with respect to the pipe end. When a pipe of any other type having a different diameter is to be beveled, processing tool holders can be moved in the radial direction of the pipe so that the processing tools make a parallel movement, and the cutting edges of the processing tools also make a parallel movement thus maintaining the angle of the cutting edges unchanged with respect to the axis of pipes to be beveled. The ends of pipes are processed to provide the predetermined angle of bevel and root face thickness unless the position of the rotary driving unit in the pipe axial direction is changed.
    • PCT No.PCT / JP82 / 00408 Sec。 371日期1983年6月14日第 102(e)1983年6月14日PCT PCT日期为1982年10月15日。一种用于加工管道的管端切割装置,其由于管道直径的变化而在斜角和根面厚度上没有变化。 提供一种用于夹紧管道内部的管夹装置,支撑在管夹装置上的旋转驱动单元,用于沿轴向移动旋转驱动单元的进给单元和用于控制旋转驱动单元的控制单元 与管道同心旋转。 用于切割管端的加工工具通过平行四边形链条安装在旋转驱动单元上,使得各加工工具在管的径向方向上均匀地移动,同时保持其切割角度在给定的角度 相对于管端。 当具有不同直径的任何其他类型的管道要被倾斜时,加工工具保持器可以沿管的径向方向移动,使得加工工具平行移动,并且加工工具的切削刃也使 因此平行运动使切割边缘的角度相对于待倒角的管的轴线保持不变。 处理管道的端部以提供预定的斜角和根面厚度的角度,除非旋转驱动单元在管轴方向上的位置改变。
    • 4. 发明授权
    • Conductive composite filament and process for producing the same
    • 导电复合长丝及其制造方法
    • US5318845A
    • 1994-06-07
    • US4186
    • 1993-01-13
    • Kazuhiko TanakaYoshiteru MatsuoEiichirou NakamuraShoji AsanoMasao Kawamoto
    • Kazuhiko TanakaYoshiteru MatsuoEiichirou NakamuraShoji AsanoMasao Kawamoto
    • D01F1/09D01F8/12D02G3/00
    • D01F1/09D01F8/12Y10S57/905Y10T428/2927Y10T428/2929Y10T428/2976
    • A highly oriented, undrawn, conductive, composite filament is provided, which is white or colorless and has antistatic properties durable over a long period when clothing utilizing the fiber are actually put on and washed. The filament is a sheath-core composite filament comprising a sheath of a fiber-forming thermoplastic polymer (A) and a core of a composition (B) comprising a conductive material which comprises a conductive metal oxide and a thermoplastic polyamide, having a core resistance of not more than 9.times.10.sup.10 .OMEGA./cm.multidot.filament, the composite filament maintaining a critical elongation--an elongation reached in the course of extending a composite filament at which the core resistance exceeds 1.times.10.sup.11 .OMEGA./cm.multidot.filament at a D.C. voltage of 1 kV--of at least 5% and a shrinkage in hot water at 100.degree. C. of not higher than 20%. Such fiber can be obtained by conducting high orientation melt spinning at a rate of at least 2,500 m/min while selecting a polyamide as the core component to contain the white or colorless conductive material and having the composition previously dried to a moisture content of 100 to 1,200 ppm.
    • 提供高取向,未拉伸,导电的复合长丝,其是白色或无色的,并且当使用纤维的衣物实际上被洗涤并且被洗涤时,具有长时间耐用的抗静电性能。 长丝是包含成纤热塑性聚合物(A)的鞘和包含导电材料的组合物(B)的芯的皮芯复合长丝,其包含导电金属氧化物和热塑性聚酰胺,其具有芯电阻 不超过9x1010欧米伽/厘米×丝,复合长丝保持临界伸长率 - 在延伸复合长丝的过程中达到的延伸率,其中芯电阻在1千伏的直流电压下超过1×10 11欧米伽/厘米倍的直流电压至少为5 %,100℃热水收缩率不高于20%。 这样的纤维可以通过以至少2500m /分钟的速度进行高取向熔融纺丝而获得,同时选择聚酰胺作为核心组分以包含白色或无色导电材料,并将组合物预先干燥至含水量为100至 1200 ppm。